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Restructuring Charges (Tables)
12 Months Ended
Dec. 31, 2012
Restructuring Charges  
Schedule of changes in the restructuring accrual

The following table sets forth an analysis of the changes in the restructuring accrual during fiscal 2010, 2011 and 2012 (in thousands):

 
  Facility Exit
Costs
  Severance and
Benefits
  Total  

Balance of restructuring accrual at December 31, 2009

  $ 1,234   $   $ 1,234  

Restructuring charges

   
788
   
   
788
 

Reversal of deferred rent related to facilities exited

    29         29  

Cash payments

    (763 )       (763 )

Accretion of prior restructuring costs

    52         52  
               

Balance of restructuring accrual at December 31, 2010

  $ 1,340   $   $ 1,340  

Restructuring charges

   
67
   
602
   
669
 

Reversal of deferred rent related to facilities exited

    60         60  

Cash payments

    (1,046 )       (1,046 )

Accretion of prior restructuring costs

    27         27  
               

Balance of restructuring accrual at December 31, 2011

  $ 448   $ 602   $ 1,050  

Restructuring charges

   
76
   
3,554
   
3,630
 

Cash payments

    (524 )   (1,018 )   (1,542 )

Accretion of prior restructuring costs

    4         4  
               

Balance of restructuring accrual at December 31, 2012

  $ 4   $ 3,138   $ 3,142